Twenty years later, dances remain an important part of reservation social life, where live bands play up-tempo songs and couples mostly dance the two-step, a partner dance moving in a counter-clockwise direction. Dance bands play four-hour sets, typically 9 pm to 1 am, and take one break in the middle. The “sweet spot” for these dances is between 12 and 1: this is when the band is really warmed up, the dancers are relaxed, and dancers come out in large numbers onto the dance floor. It’s a short-lived space, nestled between lots of starts and...